1321616800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 288

約数和(自身を含む): 3983745024

約数和(自身を除く): 2662128224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 31, 32, 35, 40, 46, 50, 56, 62, 70, 80, 92, 100, 112, 115, 124, 140, 155, 160, 161, 175, 184, 200, 217, 224, 230, 248, 280, 310, 322, 331, 350, 368, 400, 434, 460, 496, 560, 575, 620, 644, 662, 700, 713, 736, 775, 800, 805, 868, 920, 992, 1085, 1120, 1150, 1240, 1288, 1324, 1400, 1426, 1550, 1610, 1655, 1736, 1840, 2170, 2300, 2317, 2480, 2576, 2648, 2800, 2852, 3100, 3220, 3310, 3472, 3565, 3680, 4025, 4340, 4600, 4634, 4960, 4991, 5152, 5296, 5425, 5600, 5704, 6200, 6440, 6620, 6944, 7130, 7613, 8050, 8275, 8680, 9200, 9268, 9982, 10261, 10592, 10850, 11408, 11585, 12400, 12880, 13240, 14260, 15226, 16100, 16550, 17360, 17825, 18400, 18536, 19964, 20522, 21700, 22816, 23170, 24800, 24955, 25760, 26480, 28520, 30452, 32200, 33100, 34720, 35650, 37072, 38065, 39928, 41044, 43400, 46340, 49910, 51305, 52960, 53291, 57040, 57925, 60904, 64400, 66200, 71300, 71827, 74144, 76130, 79856, 82088, 86800, 92680, 99820, 102610, 106582, 114080, 115850, 121808, 124775, 128800, 132400, 142600, 143654, 152260, 159712, 164176, 173600, 185360, 190325, 199640, 205220, 213164, 231700, 236003, 243616, 249550, 256525, 264800, 266455, 285200, 287308, 304520, 328352, 359135, 370720, 380650, 399280, 410440, 426328, 463400, 472006, 499100, 513050, 532910, 570400, 574616, 609040, 718270, 761300, 798560, 820880, 852656, 926800, 944012, 998200, 1026100, 1065820, 1149232, 1180015, 1218080, 1332275, 1436540, 1522600, 1641760, 1652021, 1705312, 1795675, 1853600, 1888024, 1996400, 2052200, 2131640, 2298464, 2360030, 2664550, 2873080, 3045200, 3304042, 3591350, 3776048, 3992800, 4104400, 4263280, 4720060, 5329100, 5746160, 5900075, 6090400, 6608084, 7182700, 7552096, 8208800, 8260105, 8526560, 9440120, 10658200, 11492320, 11800150, 13216168, 14365400, 16520210, 18880240, 21316400, 23600300, 26432336, 28730800, 33040420, 37760480, 41300525, 42632800, 47200600, 52864672, 57461600, 66080840, 82601050, 94401200, 132161680, 165202100, 188802400, 264323360, 330404200, 660808400, 1321616800]

約数ペア:

[(1, 1321616800), (2, 660808400), (4, 330404200), (5, 264323360), (7, 188802400), (8, 165202100), (10, 132161680), (14, 94401200), (16, 82601050), (20, 66080840), (23, 57461600), (25, 52864672), (28, 47200600), (31, 42632800), (32, 41300525), (35, 37760480), (40, 33040420), (46, 28730800), (50, 26432336), (56, 23600300), (62, 21316400), (70, 18880240), (80, 16520210), (92, 14365400), (100, 13216168), (112, 11800150), (115, 11492320), (124, 10658200), (140, 9440120), (155, 8526560), (160, 8260105), (161, 8208800), (175, 7552096), (184, 7182700), (200, 6608084), (217, 6090400), (224, 5900075), (230, 5746160), (248, 5329100), (280, 4720060), (310, 4263280), (322, 4104400), (331, 3992800), (350, 3776048), (368, 3591350), (400, 3304042), (434, 3045200), (460, 2873080), (496, 2664550), (560, 2360030), (575, 2298464), (620, 2131640), (644, 2052200), (662, 1996400), (700, 1888024), (713, 1853600), (736, 1795675), (775, 1705312), (800, 1652021), (805, 1641760), (868, 1522600), (920, 1436540), (992, 1332275), (1085, 1218080), (1120, 1180015), (1150, 1149232), (1240, 1065820), (1288, 1026100), (1324, 998200), (1400, 944012), (1426, 926800), (1550, 852656), (1610, 820880), (1655, 798560), (1736, 761300), (1840, 718270), (2170, 609040), (2300, 574616), (2317, 570400), (2480, 532910), (2576, 513050), (2648, 499100), (2800, 472006), (2852, 463400), (3100, 426328), (3220, 410440), (3310, 399280), (3472, 380650), (3565, 370720), (3680, 359135), (4025, 328352), (4340, 304520), (4600, 287308), (4634, 285200), (4960, 266455), (4991, 264800), (5152, 256525), (5296, 249550), (5425, 243616), (5600, 236003), (5704, 231700), (6200, 213164), (6440, 205220), (6620, 199640), (6944, 190325), (7130, 185360), (7613, 173600), (8050, 164176), (8275, 159712), (8680, 152260), (9200, 143654), (9268, 142600), (9982, 132400), (10261, 128800), (10592, 124775), (10850, 121808), (11408, 115850), (11585, 114080), (12400, 106582), (12880, 102610), (13240, 99820), (14260, 92680), (15226, 86800), (16100, 82088), (16550, 79856), (17360, 76130), (17825, 74144), (18400, 71827), (18536, 71300), (19964, 66200), (20522, 64400), (21700, 60904), (22816, 57925), (23170, 57040), (24800, 53291), (24955, 52960), (25760, 51305), (26480, 49910), (28520, 46340), (30452, 43400), (32200, 41044), (33100, 39928), (34720, 38065), (35650, 37072)]